#mc-tool{--radius:10px;--err:#ff5c6a;--mc-on:var(--flash-clr,#f857a6)}[data-theme=light] #mc-tool{--err:#d92f3d}.mc-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.mc-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.mc-panel-actions{flex-wrap:wrap;gap:8px;display:flex}.mc-panel-title{color:var(--txt-strong);margin-bottom:10px;font-size:17px;font-weight:800}.mc-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px;line-height:1.6}.mc-hint{color:var(--txt-dim);margin-top:6px;font-size:12px;display:block}.mc-mode-tabs{background:var(--surface2);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;gap:6px;padding:4px;display:flex}.mc-mode-tab{cursor:pointer;min-width:150px;color:var(--txt-dim);background:0 0;border:none;border-radius:7px;flex:1;padding:10px;font-size:13px;font-weight:700;transition:background .2s,color .2s}.mc-mode-tab.active{background:var(--accent2);color:#fff}.mc-mode-tab:hover:not(.active){color:var(--txt-strong)}.mc-field{margin-bottom:16px}.mc-field label{color:var(--txt-strong);margin-bottom:6px;font-size:13px;font-weight:700;display:block}.mc-field select,.mc-field input[type=text],.mc-field input[type=number],.mc-field input[type=file]{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:10px 12px;font-size:14px;transition:border-color .2s}.mc-field select:focus,.mc-field input:focus{border-color:var(--accent2)}.mc-field input[type=range]{width:100%;accent-color:var(--accent2)}.mc-field input[type=color]{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;width:100%;height:38px;padding:2px}.mc-textarea{resize:vertical;background:var(--surface2);border:1px solid var(--border);width:100%;min-height:90px;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:14px;font-size:14px;line-height:1.6}.mc-textarea:focus{border-color:var(--accent2)}.mc-mono{font-family:var(--mono);letter-spacing:.5px}.mc-grid-3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 20px;display:grid}.mc-unit-display{background:var(--surface2);border:1px solid var(--border);font-family:var(--mono);color:var(--accent2);border-radius:8px;padding:10px 12px;font-size:13px}.mc-actions{flex-wrap:wrap;gap:12px;margin-top:4px;display:flex}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:var(--accent2)}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.pane-btn:disabled,.btn-primary:disabled{opacity:.5;cursor:not-allowed}.mc-check-row{flex-wrap:wrap;align-items:center;gap:18px 24px;margin-bottom:18px;display:flex}.mc-check{color:var(--txt);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.mc-check input{width:16px;height:16px;accent-color:var(--accent2);cursor:pointer}.mc-flash-box{background:var(--surface2);border:1px solid var(--border);border-radius:12px;height:90px;margin-bottom:14px;transition:background-color 40ms linear}.mc-flash-box.on{background-color:var(--mc-on)}.mc-pulse-track{background:var(--surface2);border:1px solid var(--border);border-radius:8px;align-items:center;gap:1px;height:26px;margin-bottom:18px;padding:2px;display:flex;overflow-x:auto}.mc-pulse-el{border-radius:2px;flex-shrink:0;height:100%}.mc-pulse-el.on{background:var(--accent2)}.mc-pulse-el.off{background:0 0}.mc-tabs{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.mc-tab{cursor:pointer;background:var(--surface2);border:1px solid var(--border);color:var(--txt-dim);border-radius:999px;padding:7px 15px;font-size:12.5px;font-weight:700;transition:all .2s}.mc-tab:hover{border-color:var(--accent2);color:var(--txt-strong)}.mc-tab.active{background:color-mix(in srgb, var(--accent2) 16%, transparent);border-color:color-mix(in srgb, var(--accent2) 45%, transparent);color:var(--accent2)}.mc-lookup-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;max-height:420px;display:grid;overflow-y:auto}.mc-lookup-cell{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:10px 12px;transition:border-color .15s}.mc-lookup-cell:hover{border-color:var(--accent2)}.mc-lookup-char{color:var(--txt-strong);font-size:16px;font-weight:800}.mc-lookup-code{font-family:var(--mono);color:var(--accent2);margin-top:2px;font-size:13px}.mc-quiz-score{font-family:var(--mono);color:var(--txt-dim);font-size:13px;font-weight:700}#mc-quiz-answer{text-transform:uppercase;max-width:120px;display:inline-block}#mc-quiz-answer-wrap{align-items:center;gap:10px;display:flex}#mc-quiz-answer-wrap label{margin:0}.mc-history-list{flex-direction:column;gap:8px;max-height:340px;display:flex;overflow-y:auto}.mc-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.mc-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:9px 14px;transition:border-color .2s;display:flex}.mc-history-item:hover{border-color:var(--accent2)}.mc-history-text{min-width:0;font-family:var(--mono);color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.mc-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.mc-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.mc-history-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:mc-step;flex-direction:column;gap:14px;max-width:800px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:mc-step;content:counter(mc-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.mc-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.mc-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=650px){.mc-panel{padding:18px}.mc-actions{flex-direction:column}.mc-actions button{width:100%}.mc-grid-3{grid-template-columns:1fr}.mc-lookup-grid{grid-template-columns:repeat(2,1fr)}}